solar cells; solar panels for electricity generation; solar cell modules; solar modules; solar energy storage devices; solar power panel for generation; apparatus for inspecting photovoltaic power; photovoltaic cell apparatus for photovoltaic power generation; solar collectors; solar wafers; apparatus for measuring solar cell efficiency and electric current; power converters used in solar power generation accumulators for photovoltaic power

A full line of ophthalmic devices and instruments, and optical laboratory devices and accessories therefor, namely, ophthalmic and optometric diagnostic apparatus, instruments, and tools for use by ophthalmologists, optometrists, and opticians in patient examination and diagnosis and for ophthalmic lens construction and repair